In the past, winter coat was fat, big, did not have any style at all. The colors were dull; the People's biggest concern was that if the coat can keep them warm. However, with the changes of people's aethestic standard, winter coat has experienced many changes. Now they have many various styles, which make people dazzled. People not only want a coat to keep them warm, but also want to be dressed beautifully. Among all kinds of jackets, down is the most popular one. Todays down garments are playing an important role in our daily life: They give us warmth, decorate us, and also bring us a sense of confidence. The old style has been abandoned. People do not like obsolete stuff. Down jacket brings them a sense of freshness.